An Effect of Welding Type on the Mechanical Properties of Welding Joints
Journal Title: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) - Year 2019, Vol 9, Issue 4
Abstract
Welding is widely used in the construction of metallic structures. In service, these structures are prone to failure under different types of loadings: static and dynamic. A welding joint should have adequate strength to withstand these type of loadings under the service conditions which is designed to serve within them. This work tries to hold a comparison between two common welding techniques in the local workshops from the point view of strength. The research program included: tensile strength, impact strength, and micro hardness. As received structural bars of mild steel were cut and square butt welded. Two fusion welding techniques was selected: arc welding and oxy-acetylene welding for the availability of their equipment and possibility of using them outdoor. The results obtained during this humble work suggest that from the perspective of tensile strength, oxy-acetylene welding is better than shielded metal arc welding, while the latter is characterized by higher micro hardness and impact strength.
Authors and Affiliations
Mohammed Shaalan Abed Fathi, Qayshazim Ismael, Khalid Abbas Saleh
Keywords
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- EP ID EP655875
- DOI 10.24247/ijmperdaug201970
- Views 71
- Downloads 0
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